| Gahanna to Nymburk | 4,473.81 mi (7,199.90 km) |
| Gahanna to Olomouc | 4,578.29 mi (7,368.04 km) |
| Gahanna to Opava | 4,588.73 mi (7,384.86 km) |
| Gahanna to Orlova | 4,611.59 mi (7,421.63 km) |
| Gahanna to Ostrava | 4,606.95 mi (7,414.17 km) |
| Gahanna to Ostrov | 4,390.90 mi (7,066.47 km) |
| Gahanna to Otrokovice | 4,603.75 mi (7,409.01 km) |
| Gahanna to Pardubice | 4,506.73 mi (7,252.87 km) |
| Gahanna to Pelhrimov | 4,509.15 mi (7,256.77 km) |
| Gahanna to Pisek | 4,473.23 mi (7,198.97 km) |
| Gahanna to Plzen | 4,427.82 mi (7,125.89 km) |
| Gahanna to Podebrady | 4,478.32 mi (7,207.16 km) |
| Gahanna to Policka | 4,537.16 mi (7,301.85 km) |
| Gahanna to Prachatice | 4,478.62 mi (7,207.64 km) |
| Gahanna to Prague | 4,454.43 mi (7,168.70 km) |
