| Rifle to Oerlinghausen | 5,054.36 mi (8,134.20 km) |
| Rifle to Oestrich-Winkel | 5,127.50 mi (8,251.92 km) |
| Rifle to Offenburg | 5,198.84 mi (8,366.73 km) |
| Rifle to Oftersheim | 5,176.53 mi (8,330.81 km) |
| Rifle to Ohrdruf | 5,173.00 mi (8,325.14 km) |
| Rifle to Ohringen | 5,214.17 mi (8,391.40 km) |
| Rifle to Olbernhau | 5,259.64 mi (8,464.57 km) |
| Rifle to Olching | 5,321.50 mi (8,564.12 km) |
| Rifle to Oldenburg | 4,984.54 mi (8,021.84 km) |
| Rifle to Oldenburg in Holstein | 5,007.52 mi (8,058.82 km) |
| Rifle to Olfen | 5,026.44 mi (8,089.27 km) |
| Rifle to Olpe | 5,073.72 mi (8,165.37 km) |
| Rifle to Olsberg | 5,078.19 mi (8,172.56 km) |
| Rifle to Oranienburg | 5,151.45 mi (8,290.46 km) |
| Rifle to Ortenberg | 5,143.92 mi (8,278.35 km) |
