| Cities | Distance |
|---|---|
| Speyer to Oria | 756.49 mi (1,217.45 km) |
| Speyer to Oristano | 650.46 mi (1,046.82 km) |
| Speyer to Orta Nova | 654.85 mi (1,053.88 km) |
| Speyer to Orte | 510.48 mi (821.53 km) |
| Speyer to Ortona | 560.34 mi (901.78 km) |
| Speyer to Orvieto | 488.91 mi (786.82 km) |
| Speyer to Orzinuovi | 279.77 mi (450.24 km) |
| Speyer to Osimo | 469.37 mi (755.38 km) |
| Speyer to Ospitaletto | 271.14 mi (436.36 km) |
| Speyer to Ostuni | 741.60 mi (1,193.50 km) |
| Speyer to Ottaviano | 654.80 mi (1,053.80 km) |
| Speyer to Ovada | 323.53 mi (520.67 km) |
| Speyer to Ozieri | 604.14 mi (972.27 km) |
| Speyer to Paceco | 809.54 mi (1,302.83 km) |
| Speyer to Pachino | 932.74 mi (1,501.10 km) |