| Alpharetta to Oerlinghausen | 4,523.97 mi (7,280.62 km) |
| Alpharetta to Oestrich-Winkel | 4,554.59 mi (7,329.90 km) |
| Alpharetta to Offenburg | 4,597.05 mi (7,398.24 km) |
| Alpharetta to Oftersheim | 4,596.79 mi (7,397.82 km) |
| Alpharetta to Ohrdruf | 4,638.22 mi (7,464.50 km) |
| Alpharetta to Ohringen | 4,639.05 mi (7,465.82 km) |
| Alpharetta to Olbernhau | 4,744.36 mi (7,635.31 km) |
| Alpharetta to Olching | 4,744.22 mi (7,635.08 km) |
| Alpharetta to Oldenburg | 4,473.29 mi (7,199.06 km) |
| Alpharetta to Oldenburg in Holstein | 4,539.54 mi (7,305.68 km) |
| Alpharetta to Olfen | 4,481.09 mi (7,211.61 km) |
| Alpharetta to Olpe | 4,518.58 mi (7,271.95 km) |
| Alpharetta to Olsberg | 4,534.60 mi (7,297.74 km) |
| Alpharetta to Oranienburg | 4,673.48 mi (7,521.23 km) |
| Alpharetta to Ortenberg | 4,586.35 mi (7,381.02 km) |
