| Pirot to Nottingham | 1,279.43 mi (2,059.04 km) |
| Pirot to Nuneaton | 1,280.87 mi (2,061.36 km) |
| Pirot to Oadby | 1,267.41 mi (2,039.70 km) |
| Pirot to Oakengates | 1,323.68 mi (2,130.25 km) |
| Pirot to Oakham | 1,255.91 mi (2,021.19 km) |
| Pirot to Oldbury | 1,302.04 mi (2,095.44 km) |
| Pirot to Oldham | 1,331.98 mi (2,143.61 km) |
| Pirot to Ollerton | 1,281.07 mi (2,061.68 km) |
| Pirot to Olton | 1,292.15 mi (2,079.51 km) |
| Pirot to Omagh | 1,553.70 mi (2,500.43 km) |
| Pirot to Ormesby | 1,326.36 mi (2,134.56 km) |
| Pirot to Ormskirk | 1,361.85 mi (2,191.68 km) |
| Pirot to Orpington | 1,190.84 mi (1,916.46 km) |
| Pirot to Ossett | 1,315.42 mi (2,116.97 km) |
| Pirot to Oswaldtwistle | 1,347.70 mi (2,168.91 km) |
