| Cheyenne to Oerlinghausen | 4,872.65 mi (7,841.78 km) |
| Cheyenne to Oestrich-Winkel | 4,943.94 mi (7,956.50 km) |
| Cheyenne to Offenburg | 5,014.14 mi (8,069.48 km) |
| Cheyenne to Oftersheim | 4,992.76 mi (8,035.07 km) |
| Cheyenne to Ohrdruf | 4,991.39 mi (8,032.87 km) |
| Cheyenne to Ohringen | 5,030.71 mi (8,096.14 km) |
| Cheyenne to Olbernhau | 5,079.27 mi (8,174.30 km) |
| Cheyenne to Olching | 5,138.18 mi (8,269.11 km) |
| Cheyenne to Oldenburg | 4,803.62 mi (7,730.68 km) |
| Cheyenne to Oldenburg in Holstein | 4,829.00 mi (7,771.53 km) |
| Cheyenne to Olfen | 4,843.93 mi (7,795.55 km) |
| Cheyenne to Olpe | 4,890.86 mi (7,871.08 km) |
| Cheyenne to Olsberg | 4,895.90 mi (7,879.19 km) |
| Cheyenne to Oranienburg | 4,972.81 mi (8,002.96 km) |
| Cheyenne to Ortenberg | 4,961.12 mi (7,984.15 km) |
