| Worcester to Oerlinghausen | 462.13 mi (743.73 km) |
| Worcester to Oestrich-Winkel | 468.14 mi (753.40 km) |
| Worcester to Offenburg | 515.86 mi (830.20 km) |
| Worcester to Oftersheim | 510.06 mi (820.87 km) |
| Worcester to Ohrdruf | 564.14 mi (907.90 km) |
| Worcester to Ohringen | 552.24 mi (888.75 km) |
| Worcester to Olbernhau | 676.91 mi (1,089.38 km) |
| Worcester to Olching | 657.89 mi (1,058.77 km) |
| Worcester to Oldenburg | 441.73 mi (710.90 km) |
| Worcester to Oldenburg in Holstein | 560.11 mi (901.40 km) |
| Worcester to Olfen | 409.96 mi (659.77 km) |
| Worcester to Olpe | 438.63 mi (705.91 km) |
| Worcester to Olsberg | 460.90 mi (741.74 km) |
| Worcester to Oranienburg | 650.47 mi (1,046.83 km) |
| Worcester to Ortenberg | 503.05 mi (809.58 km) |
