| Ottumwa to Matulji | 4,952.25 mi (7,969.87 km) |
| Ottumwa to Metkovic | 5,181.94 mi (8,339.53 km) |
| Ottumwa to Nedelisce | 4,981.41 mi (8,016.81 km) |
| Ottumwa to Nova Gradiska | 5,069.49 mi (8,158.56 km) |
| Ottumwa to Novi Marof | 4,989.51 mi (8,029.84 km) |
| Ottumwa to Ogulin | 4,990.19 mi (8,030.94 km) |
| Ottumwa to Opatija | 4,953.13 mi (7,971.29 km) |
| Ottumwa to Osijek | 5,102.08 mi (8,211.01 km) |
| Ottumwa to Otocac | 5,008.65 mi (8,060.65 km) |
| Ottumwa to Pazin | 4,943.83 mi (7,956.32 km) |
| Ottumwa to Petrinja | 5,020.74 mi (8,080.10 km) |
| Ottumwa to Popovaca | 5,027.37 mi (8,090.77 km) |
| Ottumwa to Pozega | 5,076.07 mi (8,169.15 km) |
| Ottumwa to Pula | 4,956.96 mi (7,977.46 km) |
| Ottumwa to Rijeka | 4,958.61 mi (7,980.12 km) |
