| Welwyn Garden City to Argostoli | 1,372.45 mi (2,208.74 km) |
| Welwyn Garden City to Argyroupoli | 1,503.90 mi (2,420.29 km) |
| Welwyn Garden City to Arta | 1,338.61 mi (2,154.28 km) |
| Welwyn Garden City to Artemida | 1,509.76 mi (2,429.72 km) |
| Welwyn Garden City to Aspropyrgos | 1,489.27 mi (2,396.75 km) |
| Welwyn Garden City to Athens | 1,498.81 mi (2,412.10 km) |
| Welwyn Garden City to Chaidari | 1,494.27 mi (2,404.80 km) |
| Welwyn Garden City to Chalandri | 1,499.82 mi (2,413.72 km) |
| Welwyn Garden City to Chalkida | 1,469.73 mi (2,365.31 km) |
| Welwyn Garden City to Chania | 1,638.20 mi (2,636.43 km) |
| Welwyn Garden City to Chios | 1,570.40 mi (2,527.31 km) |
| Welwyn Garden City to Cholargos | 1,500.66 mi (2,415.09 km) |
| Welwyn Garden City to Chrysoupoli | 1,391.63 mi (2,239.61 km) |
| Welwyn Garden City to Dafni | 1,500.74 mi (2,415.20 km) |
| Welwyn Garden City to Diavata | 1,333.56 mi (2,146.16 km) |
