| Cimarron Hills to Oerlinghausen | 4,995.96 mi (8,040.23 km) |
| Cimarron Hills to Oestrich-Winkel | 5,064.07 mi (8,149.83 km) |
| Cimarron Hills to Offenburg | 5,132.09 mi (8,259.30 km) |
| Cimarron Hills to Oftersheim | 5,112.50 mi (8,227.77 km) |
| Cimarron Hills to Ohrdruf | 5,114.78 mi (8,231.44 km) |
| Cimarron Hills to Ohringen | 5,150.97 mi (8,289.68 km) |
| Cimarron Hills to Olbernhau | 5,204.48 mi (8,375.80 km) |
| Cimarron Hills to Olching | 5,258.65 mi (8,462.98 km) |
| Cimarron Hills to Oldenburg | 4,928.17 mi (7,931.12 km) |
| Cimarron Hills to Oldenburg in Holstein | 4,956.88 mi (7,977.33 km) |
| Cimarron Hills to Olfen | 4,965.94 mi (7,991.91 km) |
| Cimarron Hills to Olpe | 5,012.25 mi (8,066.44 km) |
| Cimarron Hills to Olsberg | 5,018.24 mi (8,076.08 km) |
| Cimarron Hills to Oranienburg | 5,100.45 mi (8,208.38 km) |
| Cimarron Hills to Ortenberg | 5,082.57 mi (8,179.61 km) |
