| Cities | Distance |
|---|---|
| Grays to Noventa Vicentina | 667.57 mi (1,074.35 km) |
| Grays to Novi di Modena | 665.08 mi (1,070.34 km) |
| Grays to Novi Ligure | 605.36 mi (974.23 km) |
| Grays to Nuoro | 882.68 mi (1,420.54 km) |
| Grays to Occhiobello | 686.77 mi (1,105.25 km) |
| Grays to Oderzo | 679.27 mi (1,093.18 km) |
| Grays to Oggiono | 568.72 mi (915.27 km) |
| Grays to Olbia | 849.70 mi (1,367.45 km) |
| Grays to Oleggio | 555.26 mi (893.61 km) |
| Grays to Olgiate Comasco | 556.25 mi (895.20 km) |
| Grays to Olgiate Olona | 561.36 mi (903.42 km) |
| Grays to Omegna | 533.55 mi (858.67 km) |
| Grays to Opera | 584.99 mi (941.44 km) |
| Grays to Oppeano | 654.57 mi (1,053.43 km) |
| Grays to Orbassano | 555.91 mi (894.66 km) |