| Ottumwa to Zottegem | 4,337.22 mi (6,980.09 km) |
| Ottumwa to Zulte | 4,321.87 mi (6,955.39 km) |
| Ottumwa to Zwevegem | 4,322.49 mi (6,956.37 km) |
| Ottumwa to Zwijndrecht | 4,343.73 mi (6,990.55 km) |
| Ottumwa to Asenovgrad | 5,492.51 mi (8,839.34 km) |
| Ottumwa to Aytos | 5,539.60 mi (8,915.13 km) |
| Ottumwa to Balchik | 5,532.46 mi (8,903.64 km) |
| Ottumwa to Bankya | 5,397.33 mi (8,686.16 km) |
| Ottumwa to Bansko | 5,452.81 mi (8,775.45 km) |
| Ottumwa to Berkovitsa | 5,370.29 mi (8,642.65 km) |
| Ottumwa to Blagoevgrad | 5,429.96 mi (8,738.67 km) |
| Ottumwa to Botevgrad | 5,410.22 mi (8,706.91 km) |
| Ottumwa to Burgas | 5,557.22 mi (8,943.48 km) |
| Ottumwa to Byala Slatina | 5,387.15 mi (8,669.78 km) |
| Ottumwa to Chirpan | 5,499.20 mi (8,850.11 km) |
