| Hormigueros to Oerlinghausen | 4,636.55 mi (7,461.81 km) |
| Hormigueros to Oestrich-Winkel | 4,609.12 mi (7,417.67 km) |
| Hormigueros to Offenburg | 4,608.21 mi (7,416.19 km) |
| Hormigueros to Oftersheim | 4,636.15 mi (7,461.17 km) |
| Hormigueros to Ohrdruf | 4,727.70 mi (7,608.49 km) |
| Hormigueros to Ohringen | 4,677.78 mi (7,528.15 km) |
| Hormigueros to Olbernhau | 4,841.86 mi (7,792.21 km) |
| Hormigueros to Olching | 4,764.30 mi (7,667.41 km) |
| Hormigueros to Oldenburg | 4,617.43 mi (7,431.03 km) |
| Hormigueros to Oldenburg in Holstein | 4,725.89 mi (7,605.58 km) |
| Hormigueros to Olfen | 4,581.78 mi (7,373.67 km) |
| Hormigueros to Olpe | 4,601.14 mi (7,404.81 km) |
| Hormigueros to Olsberg | 4,629.11 mi (7,449.83 km) |
| Hormigueros to Oranienburg | 4,827.20 mi (7,768.63 km) |
| Hormigueros to Ortenberg | 4,655.32 mi (7,492.01 km) |
