| Prospect Heights to Norwich | 3,965.00 mi (6,381.05 km) |
| Prospect Heights to Nottingham | 3,864.08 mi (6,218.63 km) |
| Prospect Heights to Nuneaton | 3,865.50 mi (6,220.92 km) |
| Prospect Heights to Oadby | 3,877.84 mi (6,240.78 km) |
| Prospect Heights to Oakengates | 3,823.26 mi (6,152.94 km) |
| Prospect Heights to Oakham | 3,888.42 mi (6,257.80 km) |
| Prospect Heights to Oldbury | 3,845.44 mi (6,188.63 km) |
| Prospect Heights to Oldham | 3,810.21 mi (6,131.94 km) |
| Prospect Heights to Ollerton | 3,861.28 mi (6,214.14 km) |
| Prospect Heights to Olton | 3,855.42 mi (6,204.70 km) |
| Prospect Heights to Omagh | 3,589.15 mi (5,776.18 km) |
| Prospect Heights to Ormesby | 3,814.43 mi (6,138.74 km) |
| Prospect Heights to Ormskirk | 3,781.00 mi (6,084.93 km) |
| Prospect Heights to Orpington | 3,961.30 mi (6,375.10 km) |
| Prospect Heights to Ossett | 3,825.97 mi (6,157.30 km) |
