| Killingworth to Nuth | 419.87 mi (675.72 km) |
| Killingworth to Oegstgeest | 315.54 mi (507.82 km) |
| Killingworth to Oirschot | 373.62 mi (601.28 km) |
| Killingworth to Oisterwijk | 366.54 mi (589.89 km) |
| Killingworth to Oldebroek | 352.79 mi (567.75 km) |
| Killingworth to Oldenzaal | 394.49 mi (634.87 km) |
| Killingworth to Ommen | 368.71 mi (593.37 km) |
| Killingworth to Oosterend | 339.44 mi (546.27 km) |
| Killingworth to Oosterhout | 353.03 mi (568.15 km) |
| Killingworth to Oosterwolde | 348.18 mi (560.34 km) |
| Killingworth to Oostzaan | 318.39 mi (512.40 km) |
| Killingworth to Opmeer | 310.00 mi (498.90 km) |
| Killingworth to Oss | 368.19 mi (592.54 km) |
| Killingworth to Oud-Beijerland | 330.66 mi (532.15 km) |
| Killingworth to Oudenbosch | 345.55 mi (556.12 km) |
