| Elkhorn to Octeville | 3,949.96 mi (6,356.84 km) |
| Elkhorn to Oignies | 4,098.52 mi (6,595.93 km) |
| Elkhorn to Oissel | 4,066.14 mi (6,543.82 km) |
| Elkhorn to Olivet | 4,150.88 mi (6,680.19 km) |
| Elkhorn to Ollioules | 4,491.84 mi (7,228.92 km) |
| Elkhorn to Olonne-sur-Mer | 4,051.28 mi (6,519.91 km) |
| Elkhorn to Oloron-Sainte-Marie | 4,221.60 mi (6,794.01 km) |
| Elkhorn to Onet Village | 4,310.26 mi (6,936.69 km) |
| Elkhorn to Onnaing | 4,124.15 mi (6,637.18 km) |
| Elkhorn to Orange | 4,409.51 mi (7,096.42 km) |
| Elkhorn to Orchies | 4,107.74 mi (6,610.76 km) |
| Elkhorn to Orleans | 4,149.79 mi (6,678.45 km) |
| Elkhorn to Orly | 4,137.96 mi (6,659.41 km) |
| Elkhorn to Ormesson-sur-Marne | 4,142.07 mi (6,666.01 km) |
| Elkhorn to Orsay | 4,131.67 mi (6,649.28 km) |
