| Ottumwa to Nymburk | 4,763.97 mi (7,666.88 km) |
| Ottumwa to Olomouc | 4,865.43 mi (7,830.16 km) |
| Ottumwa to Opava | 4,871.71 mi (7,840.26 km) |
| Ottumwa to Orlova | 4,893.48 mi (7,875.30 km) |
| Ottumwa to Ostrava | 4,889.34 mi (7,868.63 km) |
| Ottumwa to Ostrov | 4,686.46 mi (7,542.13 km) |
| Ottumwa to Otrokovice | 4,892.38 mi (7,873.52 km) |
| Ottumwa to Pardubice | 4,795.61 mi (7,717.78 km) |
| Ottumwa to Pelhrimov | 4,803.52 mi (7,730.52 km) |
| Ottumwa to Pisek | 4,771.59 mi (7,679.14 km) |
| Ottumwa to Plzen | 4,725.69 mi (7,605.26 km) |
| Ottumwa to Podebrady | 4,768.53 mi (7,674.20 km) |
| Ottumwa to Policka | 4,826.59 mi (7,767.65 km) |
| Ottumwa to Prachatice | 4,779.28 mi (7,691.51 km) |
| Ottumwa to Prague | 4,747.06 mi (7,639.65 km) |
