| Eltham to Orbetello | 813.52 mi (1,309.23 km) |
| Eltham to Oria | 1,128.34 mi (1,815.88 km) |
| Eltham to Oristano | 896.50 mi (1,442.78 km) |
| Eltham to Orta Nova | 1,018.72 mi (1,639.46 km) |
| Eltham to Orte | 848.80 mi (1,366.01 km) |
| Eltham to Ortona | 921.23 mi (1,482.58 km) |
| Eltham to Orvieto | 826.11 mi (1,329.50 km) |
| Eltham to Orzinuovi | 615.51 mi (990.56 km) |
| Eltham to Osimo | 832.32 mi (1,339.49 km) |
| Eltham to Ospitaletto | 612.54 mi (985.79 km) |
| Eltham to Ostuni | 1,114.64 mi (1,793.85 km) |
| Eltham to Ottaviano | 1,003.08 mi (1,614.29 km) |
| Eltham to Ovada | 614.88 mi (989.55 km) |
| Eltham to Ozieri | 863.48 mi (1,389.63 km) |
| Eltham to Paceco | 1,111.22 mi (1,788.33 km) |
