| Cities | Distance |
|---|---|
| Grays to Nottingham | 119.82 mi (192.83 km) |
| Grays to Nuneaton | 105.32 mi (169.49 km) |
| Grays to Oadby | 97.98 mi (157.68 km) |
| Grays to Oakengates | 145.06 mi (233.45 km) |
| Grays to Oakham | 94.14 mi (151.50 km) |
| Grays to Oldbury | 122.58 mi (197.27 km) |
| Grays to Oldham | 176.14 mi (283.46 km) |
| Grays to Ollerton | 132.11 mi (212.60 km) |
| Grays to Olton | 112.66 mi (181.31 km) |
| Grays to Omagh | 382.51 mi (615.59 km) |
| Grays to Ormesby | 221.49 mi (356.46 km) |
| Grays to Ormskirk | 197.88 mi (318.46 km) |
| Grays to Orpington | 12.17 mi (19.58 km) |
| Grays to Ossett | 172.15 mi (277.05 km) |
| Grays to Oswaldtwistle | 193.90 mi (312.05 km) |