| Ottumwa to Oststeinbek | 4,457.87 mi (7,174.25 km) |
| Ottumwa to Ottendorf-Okrilla | 4,679.43 mi (7,530.82 km) |
| Ottumwa to Ottersberg | 4,441.21 mi (7,147.43 km) |
| Ottumwa to Ottobrunn | 4,736.96 mi (7,623.40 km) |
| Ottumwa to Ottweiler | 4,518.80 mi (7,272.30 km) |
| Ottumwa to Overath | 4,461.16 mi (7,179.54 km) |
| Ottumwa to Oyten | 4,438.24 mi (7,142.65 km) |
| Ottumwa to Paderborn | 4,482.33 mi (7,213.61 km) |
| Ottumwa to Papenburg | 4,382.52 mi (7,052.99 km) |
| Ottumwa to Parchim | 4,518.56 mi (7,271.91 km) |
| Ottumwa to Pasewalk | 4,586.13 mi (7,380.67 km) |
| Ottumwa to Passau | 4,779.62 mi (7,692.05 km) |
| Ottumwa to Pattensen | 4,495.52 mi (7,234.83 km) |
| Ottumwa to Pegnitz | 4,660.94 mi (7,501.06 km) |
| Ottumwa to Peine | 4,509.37 mi (7,257.14 km) |
