| Cities | Distance |
|---|---|
| Grays to Oerlinghausen | 358.25 mi (576.55 km) |
| Grays to Oestrich-Winkel | 350.34 mi (563.82 km) |
| Grays to Offenburg | 396.40 mi (637.94 km) |
| Grays to Oftersheim | 391.11 mi (629.43 km) |
| Grays to Ohrdruf | 452.68 mi (728.51 km) |
| Grays to Ohringen | 433.50 mi (697.65 km) |
| Grays to Olbernhau | 566.54 mi (911.76 km) |
| Grays to Olching | 538.64 mi (866.86 km) |
| Grays to Oldenburg | 352.22 mi (566.84 km) |
| Grays to Oldenburg in Holstein | 480.70 mi (773.61 km) |
| Grays to Olfen | 303.08 mi (487.76 km) |
| Grays to Olpe | 325.92 mi (524.52 km) |
| Grays to Olsberg | 351.28 mi (565.34 km) |
| Grays to Oranienburg | 553.94 mi (891.47 km) |
| Grays to Ortenberg | 387.62 mi (623.81 km) |