| Grenada to Opwijk | 4,609.01 mi (7,417.49 km) |
| Grenada to Ostend | 4,551.74 mi (7,325.32 km) |
| Grenada to Oud-Heverlee | 4,631.99 mi (7,454.47 km) |
| Grenada to Oud-Turnhout | 4,629.79 mi (7,450.92 km) |
| Grenada to Oudenaarde | 4,589.49 mi (7,386.06 km) |
| Grenada to Oudenburg | 4,556.14 mi (7,332.40 km) |
| Grenada to Oupeye | 4,674.08 mi (7,522.21 km) |
| Grenada to Overijse | 4,628.25 mi (7,448.45 km) |
| Grenada to Overpelt | 4,649.65 mi (7,482.90 km) |
| Grenada to Paal | 4,645.57 mi (7,476.32 km) |
| Grenada to Peer | 4,653.65 mi (7,489.33 km) |
| Grenada to Pepinster | 4,685.27 mi (7,540.21 km) |
| Grenada to Peruwelz | 4,598.63 mi (7,400.78 km) |
| Grenada to Perwez | 4,644.15 mi (7,474.03 km) |
| Grenada to Philippeville | 4,646.52 mi (7,477.84 km) |
