| Ottumwa to Montana | 5,365.33 mi (8,634.66 km) |
| Ottumwa to Nova Zagora | 5,508.22 mi (8,864.63 km) |
| Ottumwa to Novi Iskar | 5,400.00 mi (8,690.46 km) |
| Ottumwa to Novi Pazar | 5,504.42 mi (8,858.51 km) |
| Ottumwa to Omurtag | 5,490.86 mi (8,836.68 km) |
| Ottumwa to Panagyurishte | 5,444.24 mi (8,761.66 km) |
| Ottumwa to Parvomay | 5,500.52 mi (8,852.22 km) |
| Ottumwa to Pavlikeni | 5,446.26 mi (8,764.90 km) |
| Ottumwa to Pazardzhik | 5,464.57 mi (8,794.37 km) |
| Ottumwa to Pernik | 5,398.75 mi (8,688.45 km) |
| Ottumwa to Peshtera | 5,471.78 mi (8,805.97 km) |
| Ottumwa to Petrich | 5,464.83 mi (8,794.80 km) |
| Ottumwa to Pleven | 5,413.84 mi (8,712.73 km) |
| Ottumwa to Plovdiv | 5,481.69 mi (8,821.93 km) |
| Ottumwa to Pomorie | 5,558.78 mi (8,946.00 km) |
