| Basingstoke to Nuth | 303.36 mi (488.21 km) |
| Basingstoke to Oegstgeest | 245.94 mi (395.80 km) |
| Basingstoke to Oirschot | 275.83 mi (443.90 km) |
| Basingstoke to Oisterwijk | 271.68 mi (437.23 km) |
| Basingstoke to Oldebroek | 309.04 mi (497.36 km) |
| Basingstoke to Oldenzaal | 350.18 mi (563.55 km) |
| Basingstoke to Ommen | 331.27 mi (533.12 km) |
| Basingstoke to Oosterend | 326.09 mi (524.79 km) |
| Basingstoke to Oosterhout | 257.18 mi (413.89 km) |
| Basingstoke to Oosterwolde | 334.69 mi (538.62 km) |
| Basingstoke to Oostzaan | 267.19 mi (430.00 km) |
| Basingstoke to Opmeer | 275.24 mi (442.96 km) |
| Basingstoke to Oss | 285.95 mi (460.19 km) |
| Basingstoke to Oud-Beijerland | 238.80 mi (384.31 km) |
| Basingstoke to Oudenbosch | 242.71 mi (390.60 km) |
