| Crystal Lake to Octeville | 3,961.36 mi (6,375.19 km) |
| Crystal Lake to Oignies | 4,111.27 mi (6,616.45 km) |
| Crystal Lake to Oissel | 4,077.93 mi (6,562.79 km) |
| Crystal Lake to Olivet | 4,162.07 mi (6,698.20 km) |
| Crystal Lake to Ollioules | 4,501.62 mi (7,244.65 km) |
| Crystal Lake to Olonne-sur-Mer | 4,060.99 mi (6,535.53 km) |
| Crystal Lake to Oloron-Sainte-Marie | 4,229.81 mi (6,807.23 km) |
| Crystal Lake to Onet Village | 4,319.83 mi (6,952.10 km) |
| Crystal Lake to Onnaing | 4,136.98 mi (6,657.82 km) |
| Crystal Lake to Orange | 4,419.51 mi (7,112.51 km) |
| Crystal Lake to Orchies | 4,120.54 mi (6,631.36 km) |
| Crystal Lake to Orleans | 4,161.01 mi (6,696.50 km) |
| Crystal Lake to Orly | 4,149.71 mi (6,678.31 km) |
| Crystal Lake to Ormesson-sur-Marne | 4,153.86 mi (6,685.00 km) |
| Crystal Lake to Orsay | 4,143.35 mi (6,668.08 km) |
