| Cities | Distance |
|---|---|
| Calw to Oria | 715.88 mi (1,152.09 km) |
| Calw to Oristano | 608.81 mi (979.79 km) |
| Calw to Orta Nova | 613.06 mi (986.62 km) |
| Calw to Orte | 466.82 mi (751.28 km) |
| Calw to Ortona | 518.05 mi (833.73 km) |
| Calw to Orvieto | 445.20 mi (716.48 km) |
| Calw to Orzinuovi | 236.01 mi (379.82 km) |
| Calw to Osimo | 427.05 mi (687.27 km) |
| Calw to Ospitaletto | 227.32 mi (365.84 km) |
| Calw to Ostuni | 701.15 mi (1,128.40 km) |
| Calw to Ottaviano | 611.77 mi (984.55 km) |
| Calw to Ovada | 281.76 mi (453.45 km) |
| Calw to Ozieri | 562.01 mi (904.47 km) |
| Calw to Paceco | 765.73 mi (1,232.33 km) |
| Calw to Pachino | 889.09 mi (1,430.86 km) |