| Channelview to Oerlinghausen | 5,160.87 mi (8,305.62 km) |
| Channelview to Oestrich-Winkel | 5,201.60 mi (8,371.16 km) |
| Channelview to Offenburg | 5,250.72 mi (8,450.22 km) |
| Channelview to Oftersheim | 5,245.70 mi (8,442.14 km) |
| Channelview to Ohrdruf | 5,277.31 mi (8,493.01 km) |
| Channelview to Ohringen | 5,287.33 mi (8,509.13 km) |
| Channelview to Olbernhau | 5,379.88 mi (8,658.08 km) |
| Channelview to Olching | 5,393.92 mi (8,680.67 km) |
| Channelview to Oldenburg | 5,105.04 mi (8,215.76 km) |
| Channelview to Oldenburg in Holstein | 5,161.12 mi (8,306.02 km) |
| Channelview to Olfen | 5,121.09 mi (8,241.60 km) |
| Channelview to Olpe | 5,161.22 mi (8,306.19 km) |
| Channelview to Olsberg | 5,174.73 mi (8,327.92 km) |
| Channelview to Oranienburg | 5,299.08 mi (8,528.05 km) |
| Channelview to Ortenberg | 5,230.20 mi (8,417.20 km) |
