| Wheat Ridge to Orthez | 5,002.89 mi (8,051.38 km) |
| Wheat Ridge to Orvault | 4,809.73 mi (7,740.50 km) |
| Wheat Ridge to Osny | 4,867.68 mi (7,833.77 km) |
| Wheat Ridge to Ostwald | 5,085.73 mi (8,184.69 km) |
| Wheat Ridge to Ouistreham | 4,775.77 mi (7,685.86 km) |
| Wheat Ridge to Oullins | 5,114.64 mi (8,231.22 km) |
| Wheat Ridge to Outreau | 4,780.71 mi (7,693.80 km) |
| Wheat Ridge to Oyonnax | 5,120.38 mi (8,240.45 km) |
| Wheat Ridge to Ozoir-la-Ferriere | 4,901.69 mi (7,888.51 km) |
| Wheat Ridge to Pace | 4,767.72 mi (7,672.90 km) |
| Wheat Ridge to Palaiseau | 4,889.11 mi (7,868.27 km) |
| Wheat Ridge to Pamiers | 5,111.80 mi (8,226.65 km) |
| Wheat Ridge to Panazol | 4,980.42 mi (8,015.22 km) |
| Wheat Ridge to Pantin | 4,886.70 mi (7,864.39 km) |
| Wheat Ridge to Paray-le-Monial | 5,056.36 mi (8,137.43 km) |
