| Des Moines to Norwich | 4,197.81 mi (6,755.72 km) |
| Des Moines to Nottingham | 4,098.47 mi (6,595.86 km) |
| Des Moines to Nuneaton | 4,101.63 mi (6,600.93 km) |
| Des Moines to Oadby | 4,113.31 mi (6,619.73 km) |
| Des Moines to Oakengates | 4,059.85 mi (6,533.69 km) |
| Des Moines to Oakham | 4,123.29 mi (6,635.80 km) |
| Des Moines to Oldbury | 4,082.19 mi (6,569.65 km) |
| Des Moines to Oldham | 4,043.66 mi (6,507.64 km) |
| Des Moines to Ollerton | 4,094.74 mi (6,589.85 km) |
| Des Moines to Olton | 4,092.18 mi (6,585.72 km) |
| Des Moines to Omagh | 3,823.92 mi (6,154.01 km) |
| Des Moines to Ormesby | 4,043.52 mi (6,507.41 km) |
| Des Moines to Ormskirk | 4,015.15 mi (6,461.76 km) |
| Des Moines to Orpington | 4,199.36 mi (6,758.21 km) |
| Des Moines to Ossett | 4,058.41 mi (6,531.38 km) |
