| Duncan to Fuente-Alamo de Murcia | 5,133.37 mi (8,261.37 km) |
| Duncan to Galapagar | 4,903.65 mi (7,891.66 km) |
| Duncan to Galdacano | 4,864.99 mi (7,829.44 km) |
| Duncan to Gandia | 5,134.75 mi (8,263.58 km) |
| Duncan to Garrucha | 5,124.00 mi (8,246.29 km) |
| Duncan to Gava | 5,145.90 mi (8,281.53 km) |
| Duncan to Gelves | 4,920.21 mi (7,918.31 km) |
| Duncan to Getafe | 4,925.33 mi (7,926.55 km) |
| Duncan to Gibraleon | 4,873.18 mi (7,842.62 km) |
| Duncan to Gijon | 4,729.14 mi (7,610.81 km) |
| Duncan to Gines | 4,915.43 mi (7,910.61 km) |
| Duncan to Girona | 5,155.89 mi (8,297.60 km) |
| Duncan to Godella | 5,104.18 mi (8,214.39 km) |
| Duncan to Gondomar | 4,635.99 mi (7,460.91 km) |
| Duncan to Grado | 4,717.20 mi (7,591.61 km) |
