| Holtsville to Nuth | 3,676.05 mi (5,916.02 km) |
| Holtsville to Oegstgeest | 3,587.80 mi (5,774.01 km) |
| Holtsville to Oirschot | 3,637.75 mi (5,854.40 km) |
| Holtsville to Oisterwijk | 3,631.67 mi (5,844.61 km) |
| Holtsville to Oldebroek | 3,638.04 mi (5,854.86 km) |
| Holtsville to Oldenzaal | 3,681.99 mi (5,925.59 km) |
| Holtsville to Ommen | 3,656.68 mi (5,884.86 km) |
| Holtsville to Oosterend | 3,631.01 mi (5,843.55 km) |
| Holtsville to Oosterhout | 3,616.45 mi (5,820.11 km) |
| Holtsville to Oosterwolde | 3,640.09 mi (5,858.16 km) |
| Holtsville to Oostzaan | 3,598.35 mi (5,790.99 km) |
| Holtsville to Opmeer | 3,594.63 mi (5,784.99 km) |
| Holtsville to Oss | 3,639.77 mi (5,857.65 km) |
| Holtsville to Oud-Beijerland | 3,593.92 mi (5,783.86 km) |
| Holtsville to Oudenbosch | 3,604.40 mi (5,800.72 km) |
