| Oskaloosa to Norwich | 4,176.83 mi (6,721.96 km) |
| Oskaloosa to Nottingham | 4,077.04 mi (6,561.37 km) |
| Oskaloosa to Nuneaton | 4,079.72 mi (6,565.68 km) |
| Oskaloosa to Oadby | 4,091.59 mi (6,584.78 km) |
| Oskaloosa to Oakengates | 4,037.81 mi (6,498.22 km) |
| Oskaloosa to Oakham | 4,101.74 mi (6,601.11 km) |
| Oskaloosa to Oldbury | 4,060.11 mi (6,534.11 km) |
| Oskaloosa to Oldham | 4,022.47 mi (6,473.54 km) |
| Oskaloosa to Ollerton | 4,073.56 mi (6,555.77 km) |
| Oskaloosa to Olton | 4,070.10 mi (6,550.19 km) |
| Oskaloosa to Omagh | 3,802.31 mi (6,119.22 km) |
| Oskaloosa to Ormesby | 4,023.49 mi (6,475.19 km) |
| Oskaloosa to Ormskirk | 3,993.76 mi (6,427.34 km) |
| Oskaloosa to Orpington | 4,176.95 mi (6,722.15 km) |
| Oskaloosa to Ossett | 4,037.50 mi (6,497.72 km) |
