| Arad to Nottingham | 1,104.10 mi (1,776.88 km) |
| Arad to Nuneaton | 1,109.19 mi (1,785.08 km) |
| Arad to Oadby | 1,094.59 mi (1,761.56 km) |
| Arad to Oakengates | 1,152.08 mi (1,854.10 km) |
| Arad to Oakham | 1,082.02 mi (1,741.35 km) |
| Arad to Oldbury | 1,131.27 mi (1,820.61 km) |
| Arad to Oldham | 1,153.96 mi (1,857.11 km) |
| Arad to Ollerton | 1,103.78 mi (1,776.37 km) |
| Arad to Olton | 1,121.59 mi (1,805.03 km) |
| Arad to Omagh | 1,375.18 mi (2,213.13 km) |
| Arad to Ormesby | 1,140.57 mi (1,835.58 km) |
| Arad to Ormskirk | 1,184.74 mi (1,906.65 km) |
| Arad to Orpington | 1,026.12 mi (1,651.38 km) |
| Arad to Ossett | 1,135.72 mi (1,827.76 km) |
| Arad to Oswaldtwistle | 1,168.74 mi (1,880.91 km) |
