| Cities | Distance |
|---|---|
| Grays to Opwijk | 170.39 mi (274.21 km) |
| Grays to Ostend | 113.05 mi (181.94 km) |
| Grays to Oud-Heverlee | 193.07 mi (310.71 km) |
| Grays to Oud-Turnhout | 200.87 mi (323.26 km) |
| Grays to Oudenaarde | 148.11 mi (238.35 km) |
| Grays to Oudenburg | 117.01 mi (188.31 km) |
| Grays to Oupeye | 236.52 mi (380.64 km) |
| Grays to Overijse | 188.39 mi (303.18 km) |
| Grays to Overpelt | 220.21 mi (354.39 km) |
| Grays to Paal | 211.52 mi (340.41 km) |
| Grays to Peer | 222.53 mi (358.13 km) |
| Grays to Pepinster | 246.52 mi (396.73 km) |
| Grays to Peruwelz | 156.18 mi (251.35 km) |
| Grays to Perwez | 203.45 mi (327.42 km) |
| Grays to Philippeville | 204.08 mi (328.44 km) |