| Foster City to Nuth | 5,564.60 mi (8,955.36 km) |
| Foster City to Oegstgeest | 5,458.41 mi (8,784.46 km) |
| Foster City to Oirschot | 5,517.44 mi (8,879.46 km) |
| Foster City to Oisterwijk | 5,510.26 mi (8,867.91 km) |
| Foster City to Oldebroek | 5,483.05 mi (8,824.12 km) |
| Foster City to Oldenzaal | 5,517.63 mi (8,879.76 km) |
| Foster City to Ommen | 5,493.21 mi (8,840.47 km) |
| Foster City to Oosterend | 5,457.88 mi (8,783.61 km) |
| Foster City to Oosterhout | 5,497.66 mi (8,847.62 km) |
| Foster City to Oosterwolde | 5,464.51 mi (8,794.28 km) |
| Foster City to Oostzaan | 5,456.57 mi (8,781.51 km) |
| Foster City to Opmeer | 5,444.28 mi (8,761.72 km) |
| Foster City to Oss | 5,509.17 mi (8,866.15 km) |
| Foster City to Oud-Beijerland | 5,475.88 mi (8,812.58 km) |
| Foster City to Oudenbosch | 5,491.30 mi (8,837.40 km) |
