| Channelview to Octeville | 4,826.17 mi (7,766.97 km) |
| Channelview to Oignies | 4,990.18 mi (8,030.92 km) |
| Channelview to Oissel | 4,946.50 mi (7,960.63 km) |
| Channelview to Olivet | 5,023.27 mi (8,084.18 km) |
| Channelview to Ollioules | 5,343.05 mi (8,598.81 km) |
| Channelview to Olonne-sur-Mer | 4,904.59 mi (7,893.17 km) |
| Channelview to Oloron-Sainte-Marie | 5,052.17 mi (8,130.69 km) |
| Channelview to Onet Village | 5,159.94 mi (8,304.12 km) |
| Channelview to Onnaing | 5,016.59 mi (8,073.41 km) |
| Channelview to Orange | 5,264.39 mi (8,472.22 km) |
| Channelview to Orchies | 4,999.95 mi (8,046.64 km) |
| Channelview to Orleans | 5,022.47 mi (8,082.89 km) |
| Channelview to Orly | 5,017.41 mi (8,074.74 km) |
| Channelview to Ormesson-sur-Marne | 5,022.12 mi (8,082.33 km) |
| Channelview to Orsay | 5,010.33 mi (8,063.35 km) |
