| Mercerville to Nuth | 3,767.99 mi (6,063.99 km) |
| Mercerville to Oegstgeest | 3,679.26 mi (5,921.20 km) |
| Mercerville to Oirschot | 3,729.47 mi (6,002.01 km) |
| Mercerville to Oisterwijk | 3,723.36 mi (5,992.17 km) |
| Mercerville to Oldebroek | 3,729.17 mi (6,001.52 km) |
| Mercerville to Oldenzaal | 3,773.06 mi (6,072.15 km) |
| Mercerville to Ommen | 3,747.70 mi (6,031.35 km) |
| Mercerville to Oosterend | 3,721.80 mi (5,989.66 km) |
| Mercerville to Oosterhout | 3,708.15 mi (5,967.69 km) |
| Mercerville to Oosterwolde | 3,730.86 mi (6,004.24 km) |
| Mercerville to Oostzaan | 3,689.62 mi (5,937.87 km) |
| Mercerville to Opmeer | 3,685.74 mi (5,931.62 km) |
| Mercerville to Oss | 3,731.32 mi (6,004.99 km) |
| Mercerville to Oud-Beijerland | 3,685.59 mi (5,931.38 km) |
| Mercerville to Oudenbosch | 3,696.17 mi (5,948.41 km) |
