| Olgiate Olona to Devnya | 934.68 mi (1,504.21 km) |
| Olgiate Olona to Dimitrovgrad | 867.22 mi (1,395.65 km) |
| Olgiate Olona to Dobrich | 940.86 mi (1,514.17 km) |
| Olgiate Olona to Dospat | 810.67 mi (1,304.65 km) |
| Olgiate Olona to Dupnitsa | 744.18 mi (1,197.64 km) |
| Olgiate Olona to Elhovo | 910.25 mi (1,464.91 km) |
| Olgiate Olona to Etropole | 771.66 mi (1,241.87 km) |
| Olgiate Olona to Gabrovo | 834.65 mi (1,343.24 km) |
| Olgiate Olona to Gorna Oryahovitsa | 846.49 mi (1,362.29 km) |
| Olgiate Olona to Gotse Delchev | 792.91 mi (1,276.06 km) |
| Olgiate Olona to Harmanli | 884.53 mi (1,423.52 km) |
| Olgiate Olona to Haskovo | 868.72 mi (1,398.08 km) |
| Olgiate Olona to Ihtiman | 772.60 mi (1,243.38 km) |
| Olgiate Olona to Isperih | 889.89 mi (1,432.14 km) |
| Olgiate Olona to Kardzhali | 867.04 mi (1,395.37 km) |
