| Channelview to Opole | 5,546.36 mi (8,926.00 km) |
| Channelview to Orzesze | 5,596.46 mi (9,006.64 km) |
| Channelview to Osowa | 5,412.69 mi (8,710.89 km) |
| Channelview to Ostroda | 5,491.32 mi (8,837.43 km) |
| Channelview to Ostroleka | 5,570.26 mi (8,964.47 km) |
| Channelview to Ostrow Mazowiecka | 5,592.58 mi (9,000.39 km) |
| Channelview to Ostrow Wielkopolski | 5,502.56 mi (8,855.51 km) |
| Channelview to Ostrowiec Swietokrzyski | 5,655.98 mi (9,102.42 km) |
| Channelview to Ostrzeszow | 5,516.02 mi (8,877.18 km) |
| Channelview to Oswiecim | 5,617.84 mi (9,041.03 km) |
| Channelview to Otwock | 5,600.90 mi (9,013.78 km) |
| Channelview to Ozarow Mazowiecki | 5,581.05 mi (8,981.83 km) |
| Channelview to Ozimek | 5,556.01 mi (8,941.54 km) |
| Channelview to Ozorkow | 5,540.21 mi (8,916.11 km) |
| Channelview to Pabianice | 5,556.72 mi (8,942.68 km) |
