| Buckingham to Nuth | 304.86 mi (490.62 km) |
| Buckingham to Oegstgeest | 231.80 mi (373.04 km) |
| Buckingham to Oirschot | 270.98 mi (436.10 km) |
| Buckingham to Oisterwijk | 265.82 mi (427.80 km) |
| Buckingham to Oldebroek | 293.04 mi (471.60 km) |
| Buckingham to Oldenzaal | 336.26 mi (541.16 km) |
| Buckingham to Ommen | 315.02 mi (506.98 km) |
| Buckingham to Oosterend | 304.58 mi (490.17 km) |
| Buckingham to Oosterhout | 250.66 mi (403.40 km) |
| Buckingham to Oosterwolde | 313.63 mi (504.73 km) |
| Buckingham to Oostzaan | 250.24 mi (402.72 km) |
| Buckingham to Opmeer | 255.15 mi (410.63 km) |
| Buckingham to Oss | 277.70 mi (446.92 km) |
| Buckingham to Oud-Beijerland | 229.87 mi (369.94 km) |
| Buckingham to Oudenbosch | 237.07 mi (381.53 km) |
