| Groveton to Nuth | 3,931.69 mi (6,327.44 km) |
| Groveton to Oegstgeest | 3,842.81 mi (6,184.41 km) |
| Groveton to Oirschot | 3,893.11 mi (6,265.35 km) |
| Groveton to Oisterwijk | 3,886.99 mi (6,255.50 km) |
| Groveton to Oldebroek | 3,892.58 mi (6,264.50 km) |
| Groveton to Oldenzaal | 3,936.44 mi (6,335.09 km) |
| Groveton to Ommen | 3,911.07 mi (6,294.26 km) |
| Groveton to Oosterend | 3,885.06 mi (6,252.40 km) |
| Groveton to Oosterhout | 3,871.78 mi (6,231.02 km) |
| Groveton to Oosterwolde | 3,894.11 mi (6,266.96 km) |
| Groveton to Oostzaan | 3,853.09 mi (6,200.96 km) |
| Groveton to Opmeer | 3,849.14 mi (6,194.60 km) |
| Groveton to Oss | 3,894.90 mi (6,268.24 km) |
| Groveton to Oud-Beijerland | 3,849.21 mi (6,194.70 km) |
| Groveton to Oudenbosch | 3,859.82 mi (6,211.79 km) |
