| Binghamton to Oerlinghausen | 3,811.18 mi (6,133.50 km) |
| Binghamton to Oestrich-Winkel | 3,845.30 mi (6,188.41 km) |
| Binghamton to Offenburg | 3,890.91 mi (6,261.82 km) |
| Binghamton to Oftersheim | 3,888.34 mi (6,257.69 km) |
| Binghamton to Ohrdruf | 3,926.14 mi (6,318.52 km) |
| Binghamton to Ohringen | 3,930.35 mi (6,325.29 km) |
| Binghamton to Olbernhau | 4,031.33 mi (6,487.79 km) |
| Binghamton to Olching | 4,036.22 mi (6,495.66 km) |
| Binghamton to Oldenburg | 3,759.18 mi (6,049.82 km) |
| Binghamton to Oldenburg in Holstein | 3,823.74 mi (6,153.71 km) |
| Binghamton to Olfen | 3,769.19 mi (6,065.93 km) |
| Binghamton to Olpe | 3,807.59 mi (6,127.73 km) |
| Binghamton to Olsberg | 3,822.78 mi (6,152.17 km) |
| Binghamton to Oranienburg | 3,958.30 mi (6,370.28 km) |
| Binghamton to Ortenberg | 3,875.84 mi (6,237.57 km) |
