| Troy to Norwich | 3,763.89 mi (6,057.39 km) |
| Troy to Nottingham | 3,661.88 mi (5,893.23 km) |
| Troy to Nuneaton | 3,661.89 mi (5,893.25 km) |
| Troy to Oadby | 3,674.74 mi (5,913.93 km) |
| Troy to Oakengates | 3,619.36 mi (5,824.80 km) |
| Troy to Oakham | 3,685.78 mi (5,931.69 km) |
| Troy to Oldbury | 3,641.36 mi (5,860.20 km) |
| Troy to Oldham | 3,608.91 mi (5,807.98 km) |
| Troy to Ollerton | 3,659.87 mi (5,889.99 km) |
| Troy to Olton | 3,651.33 mi (5,876.24 km) |
| Troy to Omagh | 3,387.27 mi (5,451.28 km) |
| Troy to Ormesby | 3,616.70 mi (5,820.52 km) |
| Troy to Ormskirk | 3,579.19 mi (5,760.15 km) |
| Troy to Orpington | 3,755.93 mi (6,044.58 km) |
| Troy to Ossett | 3,625.45 mi (5,834.60 km) |
