| Grenada to Nuth | 4,677.02 mi (7,526.94 km) |
| Grenada to Oegstgeest | 4,584.04 mi (7,377.29 km) |
| Grenada to Oirschot | 4,636.52 mi (7,461.75 km) |
| Grenada to Oisterwijk | 4,630.13 mi (7,451.48 km) |
| Grenada to Oldebroek | 4,630.65 mi (7,452.31 km) |
| Grenada to Oldenzaal | 4,673.77 mi (7,521.70 km) |
| Grenada to Ommen | 4,648.11 mi (7,480.42 km) |
| Grenada to Oosterend | 4,620.13 mi (7,435.38 km) |
| Grenada to Oosterhout | 4,615.08 mi (7,427.26 km) |
| Grenada to Oosterwolde | 4,628.94 mi (7,449.56 km) |
| Grenada to Oostzaan | 4,592.57 mi (7,391.03 km) |
| Grenada to Opmeer | 4,587.21 mi (7,382.41 km) |
| Grenada to Oss | 4,636.78 mi (7,462.17 km) |
| Grenada to Oud-Beijerland | 4,592.27 mi (7,390.55 km) |
| Grenada to Oudenbosch | 4,603.80 mi (7,409.10 km) |
