| Petroupoli to Nottingham | 1,569.75 mi (2,526.27 km) |
| Petroupoli to Nuneaton | 1,566.19 mi (2,520.54 km) |
| Petroupoli to Oadby | 1,554.57 mi (2,501.85 km) |
| Petroupoli to Oakengates | 1,608.00 mi (2,587.83 km) |
| Petroupoli to Oakham | 1,544.76 mi (2,486.05 km) |
| Petroupoli to Oldbury | 1,585.68 mi (2,551.90 km) |
| Petroupoli to Oldham | 1,625.03 mi (2,615.24 km) |
| Petroupoli to Ollerton | 1,574.04 mi (2,533.17 km) |
| Petroupoli to Olton | 1,575.69 mi (2,535.83 km) |
| Petroupoli to Omagh | 1,844.00 mi (2,967.63 km) |
| Petroupoli to Ormesby | 1,630.31 mi (2,623.73 km) |
| Petroupoli to Ormskirk | 1,653.11 mi (2,660.42 km) |
| Petroupoli to Orpington | 1,468.92 mi (2,364.00 km) |
| Petroupoli to Ossett | 1,611.11 mi (2,592.83 km) |
| Petroupoli to Oswaldtwistle | 1,641.77 mi (2,642.18 km) |
