| Thornaby on Tees to Nuth | 391.68 mi (630.36 km) |
| Thornaby on Tees to Oegstgeest | 288.81 mi (464.79 km) |
| Thornaby on Tees to Oirschot | 346.07 mi (556.94 km) |
| Thornaby on Tees to Oisterwijk | 339.07 mi (545.69 km) |
| Thornaby on Tees to Oldebroek | 329.68 mi (530.57 km) |
| Thornaby on Tees to Oldenzaal | 372.39 mi (599.30 km) |
| Thornaby on Tees to Ommen | 346.70 mi (557.96 km) |
| Thornaby on Tees to Oosterend | 319.26 mi (513.80 km) |
| Thornaby on Tees to Oosterhout | 325.17 mi (523.31 km) |
| Thornaby on Tees to Oosterwolde | 328.26 mi (528.28 km) |
| Thornaby on Tees to Oostzaan | 293.45 mi (472.27 km) |
| Thornaby on Tees to Opmeer | 286.42 mi (460.96 km) |
| Thornaby on Tees to Oss | 341.83 mi (550.11 km) |
| Thornaby on Tees to Oud-Beijerland | 302.53 mi (486.88 km) |
| Thornaby on Tees to Oudenbosch | 316.97 mi (510.11 km) |
