Via I-70, MapQuest estimates the driving time as 16 hours and 16 minutes and it gives the mileage as 1,080.02 miles.
The round trip air distance from Denver, Colorado, to San Diego, California, is 1,666 miles. That equals 2,682 kilometers or 1,448 sea miles.
Obviously Colorado is larger than San Diego, California because Colorado is a state and San Diego is merely a city.
Denver,Colorado is the place with the best chance because the sir is thinner
Smeltertown, Colorado is exactly halfway. You could try Denver if you want a bigger city.
Brush, Colorado 94 miles North-East of Denver on I76 (Route 6) is halfway between San Diego CA and Thunder Bay, Ontario.
The driving distance from San Diego, California to Kettleman City, California is 296 miles.
The driving distance from San Diego, California to Los Angeles, California is 121 miles / 195 km
Colorado Springs is 61 miles (98 kilometers) south of Denver.
The air distance from San Diego, California, to Anaheim, California, is 87 miles. That equals 141 kilometers or 76 nautical miles.
The air distance from Bakersfield, California, to San Diego, California, is 210 miles. That equals 338 kilometers or 183 nautical miles.
Wichita to San Diego is 1400 miles. Wichita to Sacramento is 1700 miles.
The flight distance from Tucson, Arizona to San Diego, California is 365 miles.