| Grez-Doiceau to Zulte | 56.72 mi (91.28 km) |
| Grez-Doiceau to Zwevegem | 59.90 mi (96.40 km) |
| Grez-Doiceau to Zwijndrecht | 37.01 mi (59.57 km) |
| Grez-Doiceau to Asenovgrad | 1,128.81 mi (1,816.64 km) |
| Grez-Doiceau to Aytos | 1,197.13 mi (1,926.60 km) |
| Grez-Doiceau to Balchik | 1,207.01 mi (1,942.50 km) |
| Grez-Doiceau to Bankya | 1,030.33 mi (1,658.16 km) |
| Grez-Doiceau to Bansko | 1,082.51 mi (1,742.13 km) |
| Grez-Doiceau to Berkovitsa | 1,006.90 mi (1,620.46 km) |
| Grez-Doiceau to Blagoevgrad | 1,059.16 mi (1,704.55 km) |
| Grez-Doiceau to Botevgrad | 1,047.72 mi (1,686.15 km) |
| Grez-Doiceau to Burgas | 1,214.16 mi (1,954.00 km) |
| Grez-Doiceau to Byala Slatina | 1,030.22 mi (1,657.97 km) |
| Grez-Doiceau to Chirpan | 1,139.22 mi (1,833.40 km) |
| Grez-Doiceau to Devnya | 1,190.03 mi (1,915.16 km) |
