| Opelika to Geraardsbergen | 4,480.46 mi (7,210.60 km) |
| Opelika to Gerpinnes | 4,518.47 mi (7,271.78 km) |
| Opelika to Gistel | 4,434.24 mi (7,136.21 km) |
| Opelika to Gooik | 4,489.76 mi (7,225.57 km) |
| Opelika to Grez-Doiceau | 4,515.13 mi (7,266.39 km) |
| Opelika to Grimbergen | 4,497.14 mi (7,237.44 km) |
| Opelika to Grobbendonk | 4,503.70 mi (7,248.00 km) |
| Opelika to Haacht | 4,506.27 mi (7,252.14 km) |
| Opelika to Haaltert | 4,482.48 mi (7,213.85 km) |
| Opelika to Halen | 4,526.25 mi (7,284.29 km) |
| Opelika to Halle | 4,496.29 mi (7,236.07 km) |
| Opelika to Hamme | 4,483.20 mi (7,215.02 km) |
| Opelika to Hannut | 4,532.39 mi (7,294.18 km) |
| Opelika to Harelbeke | 4,455.68 mi (7,170.73 km) |
| Opelika to Hasselt | 4,535.73 mi (7,299.56 km) |
