| Prairie Ridge to Nuth | 4,991.91 mi (8,033.70 km) |
| Prairie Ridge to Oegstgeest | 4,885.32 mi (7,862.16 km) |
| Prairie Ridge to Oirschot | 4,944.39 mi (7,957.23 km) |
| Prairie Ridge to Oisterwijk | 4,937.22 mi (7,945.68 km) |
| Prairie Ridge to Oldebroek | 4,904.87 mi (7,893.63 km) |
| Prairie Ridge to Oldenzaal | 4,936.97 mi (7,945.29 km) |
| Prairie Ridge to Ommen | 4,913.34 mi (7,907.25 km) |
| Prairie Ridge to Oosterend | 4,877.30 mi (7,849.26 km) |
| Prairie Ridge to Oosterhout | 4,925.41 mi (7,926.68 km) |
| Prairie Ridge to Oosterwolde | 4,883.35 mi (7,858.99 km) |
| Prairie Ridge to Oostzaan | 4,881.37 mi (7,855.80 km) |
| Prairie Ridge to Opmeer | 4,867.91 mi (7,834.14 km) |
| Prairie Ridge to Oss | 4,934.52 mi (7,941.35 km) |
| Prairie Ridge to Oud-Beijerland | 4,904.34 mi (7,892.78 km) |
| Prairie Ridge to Oudenbosch | 4,920.24 mi (7,918.36 km) |
