| Elk Plain to Oerlinghausen | 5,008.80 mi (8,060.89 km) |
| Elk Plain to Oestrich-Winkel | 5,107.55 mi (8,219.81 km) |
| Elk Plain to Offenburg | 5,195.17 mi (8,360.82 km) |
| Elk Plain to Oftersheim | 5,158.27 mi (8,301.44 km) |
| Elk Plain to Ohrdruf | 5,122.64 mi (8,244.09 km) |
| Elk Plain to Ohringen | 5,190.11 mi (8,352.68 km) |
| Elk Plain to Olbernhau | 5,189.67 mi (8,351.96 km) |
| Elk Plain to Olching | 5,292.03 mi (8,516.71 km) |
| Elk Plain to Oldenburg | 4,930.16 mi (7,934.33 km) |
| Elk Plain to Oldenburg in Holstein | 4,921.12 mi (7,919.78 km) |
| Elk Plain to Olfen | 4,993.46 mi (8,036.19 km) |
| Elk Plain to Olpe | 5,044.56 mi (8,118.44 km) |
| Elk Plain to Olsberg | 5,040.45 mi (8,111.83 km) |
| Elk Plain to Oranienburg | 5,062.30 mi (8,146.98 km) |
| Elk Plain to Ortenberg | 5,111.83 mi (8,226.69 km) |
