| Valley Center to Nuth | 5,666.43 mi (9,119.23 km) |
| Valley Center to Oegstgeest | 5,561.77 mi (8,950.80 km) |
| Valley Center to Oirschot | 5,620.15 mi (9,044.76 km) |
| Valley Center to Oisterwijk | 5,613.06 mi (9,033.34 km) |
| Valley Center to Oldebroek | 5,592.34 mi (9,000.00 km) |
| Valley Center to Oldenzaal | 5,629.64 mi (9,060.03 km) |
| Valley Center to Ommen | 5,604.50 mi (9,019.57 km) |
| Valley Center to Oosterend | 5,570.38 mi (8,964.66 km) |
| Valley Center to Oosterhout | 5,599.62 mi (9,011.71 km) |
| Valley Center to Oosterwolde | 5,577.67 mi (8,976.38 km) |
| Valley Center to Oostzaan | 5,562.51 mi (8,951.99 km) |
| Valley Center to Opmeer | 5,551.73 mi (8,934.65 km) |
| Valley Center to Oss | 5,613.89 mi (9,034.69 km) |
| Valley Center to Oud-Beijerland | 5,577.21 mi (8,975.64 km) |
| Valley Center to Oudenbosch | 5,591.90 mi (8,999.30 km) |
